Headboard



FIG. 1 is a left front perspective view of a headboard showing my newand ornamental design,

FIG. 2 is a right front perspective view thereof,

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a rear elevational view thereof.

The broken line showing in the drawings of hardware elements illustratesportions of the headboard and form no part of the claimed design.

CLAIM The ornamental design for a headboard, as shown and described.